Patents Assigned to Savac AG
  • Water-soluble, non-ionizing hydroxy-containing amide derivatives of 2,4,6-triiodo-isophthalic acid
    Patent number: 4001323
    Abstract: Compounds of the formula ##STR1## wherein R and R.sub.1 are 1,3-dihydroxyisopropyl or 2,3-dihydroxypropyl, and R.sub.2 is hydrogen or hydroxyl, are readily water-soluble and of sufficiently low toxicity for use as radiopaque materials in the radiography of body cavities as in urography, angiography, ventriculography, and myelography.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: January 4, 1977
    Assignee: Savac AG
    Inventors: Ernst Felder, David E. Pitre